Yuzuru Hanyu's progress under Orser

Heading into 4CC and Worlds, how do you view Yuzuru Hanyu's coaching change to Brian Orser? What are the good changes and what are not so good? Any surprises? (Technically? Artistically? Skating skills? Posture? Stamina? Choreography? Costumes? Coach-skater relationship? Training environment? Political influence?...)